sertronics.dk

Records from scan: 2026-10-15 17:41:15  ·  781ms total  ·  last checked 2026-10-16 19:03 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sertronics.dk is a .dk domain served by 3 nameservers (ns.hostpoint.ch, ns2.hostpoint.ch, ns3.hostpoint.ch). It was registered on 28 November 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.26.63.20 is hosted by Hostpoint AG (AS29097) in Switzerland. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   64ms

🌍 A Records#

1 records   54ms

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover217.26.63.20
🔶 Autoconfig217.26.63.20

🔷 AAAA Records (IPv6)#

1 records   45ms

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   340ms
TXT Record
v=spf1 redirect=spf-permissive.mail.hostpoint.ch

✉️ SPF#

PolicyRecord (sertronics.dk)
redirect=spf-permissive.mail.hostpoint.ch v=spf1 redirect=spf-permissive.mail.hostpoint.ch

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-15 17:41:15
www217.26.63.20 2a00:d70:0:a::400 (AS29097) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ?all

  • warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

76ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

44ms
FieldValue
Serial1792022400
Primary NS (MNAME)ns.hostpoint.ch
Responsible (RNAME)hostmaster@hostpoint.ch
Refresh86400s
Retry7200s
Expire3628800s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-13 22:05:39
FieldValue
RegistrarASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA
Registered2014-11-28
Expires2026-11-30 (44d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
64ms
A
54ms
MX
60ms
AAAA
45ms
TXT
340ms
CAA
50ms
HTTPS
50ms
TLSA
246ms
SOA
44ms
MTA-STS
73ms
DNSSEC
76ms
SRV
111ms
Total
781ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 17:41:15 shown 781ms 3 NS 1 A 0 MX 🔓 Insecure
2026-10-08 06:56:28 1219ms 3 NS 1 A 0 MX 🔓 Insecure
2026-10-02 00:08:41 728ms 3 NS 1 A 0 MX 🔓 Insecure
2026-09-24 22:39:25 1202ms 3 NS 1 A 0 MX 🔓 Insecure
2026-09-22 15:20:14 1742ms 3 NS 1 A 0 MX 🔓 Insecure
2026-09-16 15:21:22 2121ms 3 NS 1 A 0 MX 🔓 Insecure
2026-09-04 04:32:50 1125ms 3 NS 1 A 0 MX 🔓 Insecure
2026-08-28 06:18:28 2743ms 3 NS 1 A 0 MX 🔓 Insecure
2026-08-27 14:31:18 1031ms 3 NS 1 A 0 MX 🔓 Insecure
2026-08-20 20:43:48 1313ms 3 NS 1 A 0 MX 🔓 Insecure
2026-08-13 04:48:14 2898ms 3 NS 1 A 0 MX 🔓 Insecure
2026-08-06 12:47:51 8744ms 3 NS 1 A 0 MX 🔓 Insecure
2026-07-23 18:56:24 1016ms 3 NS 1 A 0 MX 🔓 Insecure
2026-07-16 13:48:43 959ms 3 NS 1 A 0 MX 🔓 Insecure
2026-07-09 21:09:31 9700ms 3 NS 1 A 0 MX 🔓 Insecure
2026-07-03 20:34:45 3205ms 3 NS 1 A 0 MX 🔓 Insecure
2026-06-25 19:24:06 922ms 3 NS 1 A 0 MX 🔓 Insecure
2026-06-21 04:19:37 716ms 3 NS 1 A 0 MX 🔓 Insecure
2026-06-18 14:58:30 3409ms 3 NS 1 A 0 MX 🔓 Insecure
2026-06-17 13:52:32 1474ms 3 NS 1 A 0 MX 🔓 Insecure
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